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Namhyung Kim f6b8436bed perf hists browser: Fix the number of entries for 'e' key 
The 'e' key is to toggle expand/collapse the selected entry only.  But
the current code has a bug that it only increases the number of entries
by 1 in the hierarchy mode so users cannot move under the current entry
after the key stroke.  This is due to a wrong assumption in the
hist_entry__set_folding().

The commit b33f922651 ("perf hists browser: Put hist_entry folding
logic into single function") factored out the code, but actually it
should be handled separately.  The hist_browser__set_folding() is to
update fold state for each entry so it needs to traverse all (child)
entries regardless of the current fold state.  So it increases the
number of entries by 1.

But the hist_entry__set_folding() only cares the currently selected
entry and its all children.  So it should count all unfolded child
entries.  This code is implemented in hist_browser__toggle_fold()
already so we can just call it.

Fixes: b33f922651 ("perf hists browser: Put hist_entry folding logic into single function")
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230731094934.1616495-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
History 2023-08-03 17:01:28 -03:00
arch Xtensa fixes for v6.5: 2023-07-16 14:12:49 -07:00
block SCSI fixes on 20230714 2023-07-14 19:57:29 -07:00
certs KEYS: Add missing function documentation 2023-04-24 16:15:52 +03:00
crypto crypto: algif_hash - Fix race between MORE and non-MORE sends 2023-07-08 22:48:42 +10:00
Documentation perf docs: Update metric usage for Alibaba's T-Head PMU driver (arm64) 2023-07-28 19:01:17 -03:00
drivers tpm,tpm_tis: Disable interrupts after 1000 unhandled IRQs 2023-07-17 19:40:27 +00:00
fs Five smb3 client fixes 2023-07-16 12:49:05 -07:00
include - Remove a cgroup from under a polling process properly 2023-07-16 13:22:08 -07:00
init Kbuild updates for v6.5 2023-07-01 09:24:31 -07:00
io_uring io_uring-6.5-2023-07-14 2023-07-14 19:46:54 -07:00
ipc Merge branch 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2023-02-24 19:20:07 -08:00
kernel Seven hotfixes, six of which are cc:stable and one of which addresses a 2023-07-18 14:19:42 -07:00
lib Seven hotfixes, six of which are cc:stable and one of which addresses a 2023-07-18 14:19:42 -07:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm mm/mlock: fix vma iterator conversion of apply_vma_lock_flags() 2023-07-17 12:53:21 -07:00
net A fix to prevent a potential buffer overrun in the messenger, marked 2023-07-14 09:05:15 -07:00
rust rust: error: impl Debug for Error with errname() integration 2023-06-13 01:24:42 +02:00
samples arm64: ftrace: Add direct call trampoline samples support 2023-07-10 17:51:54 -04:00
scripts kallsyms: strip LTO-only suffixes from promoted global functions 2023-07-12 15:39:34 -07:00
security security: keys: Modify mismatched function name 2023-07-17 19:40:27 +00:00
sound sound fixes for 6.5-rc1 2023-07-07 15:40:17 -07:00
tools perf hists browser: Fix the number of entries for 'e' key 2023-08-03 17:01:28 -03:00
usr initramfs: Encode dependency on KBUILD_BUILD_TIMESTAMP 2023-06-06 17:54:49 +09:00
virt ARM64: 2023-07-03 15:32:22 -07:00
.clang-format iommu: Add for_each_group_device() 2023-05-23 08:15:51 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore Revert ".gitignore: ignore *.cover and *.mbx" 2023-07-04 15:05:12 -07:00
.mailmap spi: Fixes for v6.5 2023-07-15 08:51:02 -07:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS - Address -Wmissing-prototype warnings 2023-06-26 16:43:54 -07:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS MAINTAINERS: Add git information for perf-tools and perf-tools-next trees/branches 2023-07-20 11:30:53 -03:00
Makefile Linux 6.5-rc2 2023-07-16 15:10:37 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.